2014 Mercedes-Benz SL-Class Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 5×112
Center bore: 66.6 mm
Thread: M14×1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
SL 550 · 4.7L, V8, Petrol	8.5x18	8.5x18	ET36	5.67 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 4.7L, V8, Petrol	8.5x19	8.5x18	ET35 / ET36	5.63 in	255/35R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 4.7L, V8, Petrol	8.5x19	8.5x18	ET36	5.67 in	255/35R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 4.7L, V8, Petrol	8.5x19	8.5x18	ET35 / ET36	5.63 in	255/40R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 · 4.7L, V8, Petrol	9x19	8.5x18	ET27 / ET36	5.56 in	255/35R19 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8x17	8.5x18	ET30 / ET36	5.18 in	255/45R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8.5x18	8.5x18	ET36	5.67 in	255/45R18 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 · 3.5L, V6, Petrol	8.5x18	8.5x18	ET36	5.67 in	255/40R18	5x112	66.6 mm	M14 x 1.5
SL 400 · 3.0L, V6, Petrol	9x16	9.5x19	ET40 / ET41	6.07 in	255/35R16 / 235/40R19	5x112	66.6 mm	M14 x 1.5
SL 400 · 3.0L, V6, Petrol	9.5x17	9.5x19	ET31 / ET41	5.97 in	245/45R17 / 235/40R19	5x112	66.6 mm	M14 x 1.5
SL 400 · 3.0L, V6, Petrol	9.5x18	9.5x19	ET36 / ET41	6.17 in	255/50R18 / 235/40R19	5x112	66.6 mm	M14 x 1.5
SL 500 · 4.7L, V8, Petrol	8x19	9.5x18	ET46 / ET41	5.81 in	255/50R19 / 235/30R18	5x112	66.6 mm	M14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol	8.5x17	8x18	ET35 / ET46	5.63 in	235/55R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol	7.5x18	8x18	ET41 / ET46	5.36 in	245/55R18 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 350 (RBA-231457) · 3.5L, V6, Petrol	8.5x17	8x18	ET26 / ET46	5.27 in	255/40R17 / 255/40R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	7.5x18	7.5x18	ET31	4.97 in	275/45R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	8.5x17	7.5x18	ET46 / ET31	6.06 in	275/30R17 / 275/45R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	9x19	7.5x18	ET41 / ET31	6.11 in	265/35R19 / 275/45R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	8.5x20	7.5x18	ET35 / ET31	5.63 in	235/45R20 / 275/45R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	9.5x19	7.5x18	ET37 / ET31	6.21 in	265/45R19 / 275/45R18	5x112	66.6 mm	M14 x 1.5
SL 550 (CBA-231473) · 4.7L, V8, Petrol	10x19	7.5x18	ET30 / ET31	6.18 in	275/30R19 / 275/45R18	5x112	66.6 mm	M14 x 1.5

Lug hardware

Real-World 2014 Mercedes-Benz SL-Class Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

20-inch — 4 documented builds

4 documented builds.

2014 Mercedes-Benz SL-Class custom wheel setup

Staggered · 20×8.5 / 20×10.5

Documented on a 2014 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Essen - M147

Front: 20×8.5 · 245/35R20
Rear: 20×10.5 · 285/30R20

Compared with OEM

Compared with the 19×8 ET46 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2014 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Sportiva

Front: 20×?
Rear: —

Compared with OEM

Compared with the 19×8 ET46 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2014 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CVT

Front: 20×?
Rear: —

Compared with OEM

Compared with the 19×8 ET46 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2014 Mercedes-Benz SL-Class build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CV3-R

Front: 20×?
Rear: —

Compared with OEM

Compared with the 19×8 ET46 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

Open full fitment calculator

More specs for the 2014 Mercedes-Benz SL-Class

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.